Common Core math · Grade 1 · Number & Operations in Base Ten
1.NBT.C.4
Add numbers up to 100.
What 1.NBT.C.4 says
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10.
- Grade
- Grade 1
- Domain
- NBT — Number & Operations in Base Ten
- Full code
- CCSS.MATH.CONTENT.1.NBT.C.4
Free worksheets for 1.NBT.C.4
44 aligned worksheets — showing 24. Every one is a free printable PDF. No account, no email, no paywall.
Addition Within 100
Math · 1 page
Addition Within 100 — Review
Math · 1 page
Addition Within 100 — Challenge
Math · 1 page
Addition Within 100 — Extra Practice
Math · 1 page
Addition Within 100 — No Regrouping
Math · 1 page
Addition Within 100 — With Regrouping
Math · 1 page
Timed Fluency Drill — Addition Within 100
Math · 1 page
Addition Within 100 — No Regrouping — Review
Math · 1 page
Addition Within 100 — With Regrouping — Review
Math · 1 page
Timed Fluency Drill — Addition Within 100 — Review
Math · 1 page
Addition Within 100 — No Regrouping — Challenge
Math · 1 page
Addition Within 100 — With Regrouping — Challenge
Math · 1 page
Timed Fluency Drill — Addition Within 100 — Challenge
Math · 1 page
Addition Within 100 — No Regrouping — Extra Practice
Math · 1 page
Addition Within 100 — With Regrouping — Extra Practice
Math · 1 page
Timed Fluency Drill — Addition Within 100 — Extra Practice
Math · 1 page
Addition Within 100
Math · 1 page
Addition Within 100 — Review
Math · 1 page
Addition Within 100 — Challenge
Math · 1 page
Addition Within 100 — Extra Practice
Math · 1 page
Addition Within 100
Math · 1 page
Addition Within 100
Math · 1 page
Addition Within 100 — Review
Math · 1 page
Addition Within 100 — Challenge
Math · 1 page
More free Grade 1 math
Other Grade 1 standards
1.NBT.C.4 — common questions
What is 1.NBT.C.4?
1.NBT.C.4 is a Grade 1 Common Core math standard in the Number & Operations in Base Ten domain. It reads: “Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10.”
What grade is 1.NBT.C.4?
1.NBT.C.4 is a Grade 1 standard. The number straight after the domain letters is the grade, so the “1” in 1.NBT.C.4 means Grade 1.
What does the code 1.NBT.C.4 stand for?
Read it left to right: 1 is the grade, NBT is the domain (Number & Operations in Base Ten), and the last number is the standard within that domain. The full identifier is CCSS.MATH.CONTENT.1.NBT.C.4.
Are there free worksheets for 1.NBT.C.4?
Yes — 44 printable worksheets on this page are aligned to 1.NBT.C.4. Every one is a free PDF with no account, no email and no paywall.